level up

Meanings

1. To raise to the same level or status; to improve so as to make as good as others.
2. To reduce economic and developmental inequalities across the United Kingdom.
3. To progress to the next level of player character stats and abilities, often by acquiring experience points in role-playing games.

Etymology

From level + up. The video game sense is a calque of Japanese レベルアップ (reberu appu) using the SOV word order.